6 month GHK CU check in Main takeaway: skin transformation takes time. GHK CU peptide binds to copper and activates genes involved in wound healing, collagen synthesis, and skin remodeling. On the face, this translates In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega Amazon.com : Truth Guy GHK CU Anti Aging Copper Peptide Serum for Skin & Hair Growth, with Carbon 60 for Fuller Hair, Beard and Lashes Boost Hair Growth & Reduce Aging Effect One GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health Should Bodybuilders Take GHK Cu? Neurogan Health 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK